B-Line Eaton series Type 1 jun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,940.53
B-Line Eaton series Type 1 junction boxes, 30" height, 6" length, 30" width, 1, Screw cover, SCGV NK enclosure, Surface mounted, Medium single door,

B-Line Eaton series Type 1 junction boxes, 30" height, 6" length, 30" width, 1, Screw cover, SCGV NK enclosure, Surface mounted, Medium single door,

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Model: 30306 SCGV NK
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,940.53
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Eaton B-Line series Type 1 junction boxes, 30" height, 6" length, 30" width, NEMA 1, Screw cover, SCGV NK enclosure, Surface mounted, Medium single door, No knockout, Thru holes, Galvanized steel

Manufacturer Resources

Product Specs

Certifications:
UL 50
Country Of Origin:
United States
Cover Type:
Screw
Finish Color:
Unfinished
Mounting Hole Details:
Thru holes
Mounting Method:
Surface
Nema Rating:
1
Product Height:
30 in
Product Length Depth:
6 in
Product Weight:
67 lb
Product Width:
30 in
Special Features:
Keyhole slots on cover, plated screws
Wall Thickness:
12 gauge
Department:
Electrical
Product Model:
SCGV NK enclosure
Product Color:
Grey
Product Style:
Medium single door
Product Material:
Galvanized steel

B-LINE 30306 SCGV NK – Frequently Asked Questions

1) Can the B-Line 30306 SCGV NK junction box be used outdoors or in a washdown area?
No. The 30306 SCGV NK is a NEMA Type 1 enclosure, which is indoor use only, protecting against incidental contact and falling dirt. It gives no protection against rain, hose-down, dust or oil. For wet or outdoor locations you need a Type 3R, 4 or 4X enclosure instead.
2) What are the box dimensions on the B-Line 30306 junction box, and how do I read the 30306 number?
It measures 30 inches high by 30 inches wide with a 6 inch depth, which is exactly what the 30306 designation spells out (30 x 30 x 6). Plan the wall space for a 30 inch square footprint plus the 6 inches of projection off the wall.
3) Does this B-Line screw cover box come with knockouts for conduit?
No knockouts. The NK in 30306 SCGV NK means no knockout, so every conduit entry gets punched or hole-sawed in the field wherever your raceway lands. That is the usual choice for a pull or junction box where entries are not known until the conduit is run, but it means you need a punch set on site.
4) How is this 30 x 30 junction box mounted to the wall?
Surface mount, using thru holes in the back of the enclosure. There is no flush or recessed trim, so it sits proud of the finished wall. At 67 lb empty, anchor into studs, strut or masonry rated for the load, not into drywall alone.
5) Is this B-Line junction box UL listed for a commercial or institutional project spec?
The 30306 SCGV NK is built to UL 50, the standard for enclosures for electrical equipment, and carries a NEMA Type 1 rating. It is made in the US, which matters if your job carries a domestic sourcing requirement.
6) How does the cover come off on the B-Line 30306 SCGV NK, and can one person do it?
It is a screw cover, not a hinged door, so the cover comes fully off when you back out the plated screws. B-Line puts keyhole slots on the cover so you can loosen the screws and lift the cover clear without the screws dropping into the box. The whole unit weighs 67 lb, so a 30 by 30 cover off a wall-mounted box is easier as a two-person job overhead.
7) What gauge steel is the B-Line 30306 enclosure, and is it heavy enough to mount gear inside?
12 gauge galvanized steel, which is a heavy wall for a junction box of this size and part of why it weighs 67 lb. That thickness supports drilled and tapped mounting for terminal blocks, panels or back plates without the walls flexing, and it takes field-punched conduit entries cleanly.
8) Should I use a screw cover box like this or a hinged door enclosure?
A screw cover suits a pull point or splice box you open rarely, and the fully removable 30 by 30 cover gives you clear access to every corner for pulling conductors. If your crew or the owner needs to get in regularly for terminations, metering or troubleshooting, a hinged door enclosure is the better pick, since you would not want to handle a 30 inch screw cover repeatedly.
9) What is the exact part number to order this B-Line 30 x 30 x 6 screw cover box?
Order Eaton B-Line part number 30306 SCGV NK. That covers the 30 x 30 x 6 galvanized screw cover, NEMA Type 1, no knockout, with thru holes for surface mounting.
How fast can I get the B-LINE 30306 SCGV NK delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the B-LINE 30306 SCGV NK come with a warranty?
Absolutely. The B-LINE 30306 SCGV NK is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the B-LINE 30306 SCGV NK?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the B-LINE 30306 SCGV NK from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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